Latest Cybersecurity News and Articles

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Microsoft Warns of Photo ZIP Phishing Campaign Targeting Hotels with Node.js Implant

An active phishing campaign has been targeting hotel and other hospitality organizations across Europe and Asia since April 2026, using photo-themed ZIP files to drop a Node.js implant and dig into front-desk machines, Microsoft says. The company has not attributed the activity to a known threat actor, and the operators' end goal is still unclear. The lure plays to how hotels work.

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Russian APT Deploys ‘StockStay’ Backdoor Against Ukrainian Targets

Turla has been using the backdoor against government and military organizations in Ukraine for espionage. The post Russian APT Deploys ‘StockStay’ Backdoor Against Ukrainian Targets appeared first on SecurityWeek.

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Russia Used Cellebrite on Jailed Activist's iPhone Months After Sales Cutoff

Russian authorities used Cellebrite's UFED forensic tools to break into the iPhone of detained opposition activist Andrey Pivovarov in June 2021, three months after Cellebrite said it would stop selling its tools and services to Russia and Belarus. The finding, published June 25 by the Citizen Lab, rests on two things that rarely line up: traces on the phone itself and an official Russian

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First-Ever Exploitation of PTC Windchill Vulnerability Discovered in the Wild

CISA has added the remote code execution flaw CVE-2026-12569 to its Known Exploited Vulnerabilities catalog. The post First-Ever Exploitation of PTC Windchill Vulnerability Discovered in the Wild appeared first on SecurityWeek.

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New Enterprise-Ready MCP Specification Brings New Security Challenges

A major overhaul of the Model Context Protocol shifts critical security responsibilities from the protocol itself to developers and platform operators. The post New Enterprise-Ready MCP Specification Brings New Security Challenges appeared first on SecurityWeek.

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Google Details Turla's New STOCKSTAY Backdoor Used in Ukraine Espionage Attacks

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy. Describing the Windows backdoor as continually developed by the hacking group, Google Threat Intelligence Group (

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Philip Martin Joins Uber as Chief Information Security Officer

Martin brings experience from Coinbase, Palantir, Amazon, and the U.S. Army to lead Uber's cybersecurity and enterprise security organization. The post Philip Martin Joins Uber as Chief Information Security Officer appeared first on SecurityWeek.

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Chrome Ad Blocker with 10M+ Installs Found with Dormant Script Injection Capability

An analysis of a popular Google Chrome ad block extension for YouTube has uncovered the ability to execute arbitrary JavaScript code. According to Island, the extension, named Adblock for YouTube (ID: cmedhionkhpnakcndndgjdbohmhepckk), has more than 10 million installs and carries a Featured badge on the Chrome Web Store. The extension description states that it allows users to prevent web

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Runlayer Raises $30 Million in Series A Funding

The startup’s platform functions as a secure control layer, aiming to secure AI tools across enterprises. The post Runlayer Raises $30 Million in Series A Funding appeared first on SecurityWeek.

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ThreatsDay Bulletin: Smart TV Proxyware, 24-Year curl Bug, AI Crime Forums + 13 More Stories

It’s dumb out there again. This week has the usual smell of prod on fire and nobody wanting to admit who left the door open — old creds still working, trusted apps doing sketchy crap, browser tricks jumping the fence, and “normal” workflows turning into phishing pipes because apparently email was not enough hell already. The worst part is how cheap some of it feels. Not elite. Not cinematic.

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Cal Water Finds No Evidence of OT Activity After Hackers Claimed They Could Disrupt Water Supply

Mandiant has helped the California water utility investigate the cyberattack launched by Iranian hacker group Handala. The post Cal Water Finds No Evidence of OT Activity After Hackers Claimed They Could Disrupt Water Supply appeared first on SecurityWeek.

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Lantronix Serial-to-IP Converter Flaw Exploited in Attacks After OT Threat Warning

The exploited flaw, CVE-2025-67038, is one of the vulnerabilities disclosed in April as part of the BRIDGE:BREAK research project. The post Lantronix Serial-to-IP Converter Flaw Exploited in Attacks After OT Threat Warning appeared first on SecurityWeek.

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Surviving the Mythos Era: Richard Bejtlich on the Case for NDR

Despite the abundance of telemetry at analysts’ disposal, many security operations teams struggle to answer a few basic questions during incident investigation: What happened? What evidence do we have? How do we know we’re seeing it all, in context? Answering these questions requires teams to go beyond alerts, the most common basis for initial triage. But investigations (and their outcomes)

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GitLab Patches Code Execution, Information Disclosure Vulnerabilities

The latest GitLab CE/EE updates address 13 vulnerabilities, including three high-severity defects. The post GitLab Patches Code Execution, Information Disclosure Vulnerabilities appeared first on SecurityWeek.

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25-Year-Old Vulnerability Patched in Curl

The latest version of the open source data transfer tool resolves 18 medium and low-severity vulnerabilities. The post 25-Year-Old Vulnerability Patched in Curl appeared first on SecurityWeek.

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New Gaslight macOS Malware Uses Prompt Injection to Disrupt AI-Assisted Analysis

A previously undocumented Rust-based macOS implant and information stealer has been found to embed a prompt injection payload designed to trick a malware analyst's artificial intelligence (AI) tools and trick it into aborting or refusing an analysis of the artifact. The malware has been codenamed Gaslight owing to this deceptive behavior. It's been assessed with high confidence that the tool is

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SecurityWeek ICS Cybersecurity Conference Heads to Nashville for Special 25-Year Anniversary Edition

The 2026 Industrial Control Systems (ICS) Cybersecurity Conference takes place October 6-8, 2026, at the W Nashville. The post SecurityWeek ICS Cybersecurity Conference Heads to Nashville for Special 25-Year Anniversary Edition appeared first on SecurityWeek.

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New Mistic Backdoor Linked to KongTuke in ClickFix and ModeloRAT Campaigns

A new, stealthy backdoor named Mistic has been deployed as part of suspected financially motivated attacks aimed at multiple organizations spanning insurance, education, IT, and professional services sectors since April 2026. According to Symantec and Carbon Black's Threat Hunter Team, the backdoor, also tracked as MLTBackdoor, is said to be linked to an initial access broker (IAB) named

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NIST Opens Updated IoT Security Guidance to Public Review

The guidance aims to establish product cybersecurity requirements for IoT devices integrated into federal agencies’ networks. The post NIST Opens Updated IoT Security Guidance to Public Review appeared first on SecurityWeek.

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Chrome 149 Update Resolves 18 Severe Vulnerabilities

More than half of the bugs are use-after-free defects, which can potentially lead to remote code execution. The post Chrome 149 Update Resolves 18 Severe Vulnerabilities appeared first on SecurityWeek.